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#368 GBA put some meshes to available VRAM

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XProger 2022-12-01 16:05:20 +03:00
parent 0d8cae5a53
commit 329e69fcfb
1 changed files with 73 additions and 0 deletions
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73
src/fixed/level.h
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@ -76,6 +76,63 @@ bool readLevelStream(DataStream& f)
return false;
}
#ifdef USE_VRAM_MESH
struct MeshVRAM
{
const Mesh* meshROM;
const Mesh* meshVRAM;
};
MeshVRAM* vramMeshes = (MeshVRAM*)gSpheres; // use temporary memory
int32 vramMeshesCount;
uint8* pushToVRAM(uint8* ptr, Model* model)
{
for (int32 i = 0; i < model->count; i++)
{
const Mesh* mesh = meshes[model->start + i];
int32 vramMeshIndex = -1;
for (int32 i = 0; i < vramMeshesCount; i++)
{
if (vramMeshes[i].meshROM == mesh)
{
vramMeshIndex = i;
break;
}
}
if (vramMeshIndex == -1)
{
int32 meshSize = sizeof(Mesh) +
mesh->vCount * sizeof(MeshVertex) +
mesh->rCount * sizeof(MeshQuad) +
mesh->tCount * sizeof(MeshTriangle);
if (meshSize & 3)
{
meshSize += 2;
}
vramMeshes[vramMeshesCount].meshROM = mesh;
vramMeshes[vramMeshesCount].meshVRAM = (Mesh*)ptr;
vramMeshIndex = vramMeshesCount++;
memcpy(ptr, mesh, meshSize);
ptr += meshSize;
}
meshes[level.meshesCount + i] = vramMeshes[vramMeshIndex].meshVRAM;
}
model->start = level.meshesCount;
level.meshesCount += model->count;
return ptr;
}
#endif
void readLevel(const uint8* data)
{
//#ifdef ROM_READ
@ -129,6 +186,22 @@ void readLevel(const uint8* data)
m->count = int8(spriteSeq->count);
m->start = spriteSeq->start;
}
#ifdef USE_VRAM_MESH // experimental, should be per level or dynamic
vramMeshesCount = 0;
uint8* ptr = (uint8*)0x06014000; // 16k available
ptr = pushToVRAM(ptr, models + ITEM_LARA);
ptr = pushToVRAM(ptr, models + ITEM_LARA_PISTOLS);
ptr = pushToVRAM(ptr, models + ITEM_LARA_SHOTGUN);
ptr = pushToVRAM(ptr, models + ITEM_LARA_MAGNUMS);
ptr = pushToVRAM(ptr, models + ITEM_LARA_UZIS);
ptr = pushToVRAM(ptr, models + ITEM_WOLF);
ptr = pushToVRAM(ptr, models + ITEM_BAT);
ptr = pushToVRAM(ptr, models + ITEM_BRIDGE_FLAT);
ptr = pushToVRAM(ptr, models + ITEM_BRIDGE_TILT_1);
ptr = pushToVRAM(ptr, models + ITEM_BRIDGE_TILT_2);
//printf("%d\n", ptr - (uint8*)0x06014000);
#endif
}
void animTexturesShift()